> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://support.haddock.app/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# What data can I edit on a supplier

To edit a supplier:

1. Go to **Suppliers**.
2. Open the supplier.
3. Click **Edit** (pencil icon).

## If the supplier is manual

You can edit its main details, such as:

- Trade name.
- Legal name.
- NIF/CIF.
- Address.
- Category.
- Supplier code.

## If the supplier is verified by the system

Tax and identification data are locked. In that case, you can edit:

- Category.
- Supplier code.

Also, from the **Contacts** tab, you can continue managing the supplier's contacts and notes.